<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    package edu.hawaii.myisern.visualization;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.awt.Color;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.awt.Dimension;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    import javax.swing.BorderFactory;<a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.swing.Box;<a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.swing.BoxLayout;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.swing.JComponent;<a name="line.9"></a>
<FONT color="green">010</FONT>    import javax.swing.JSplitPane;<a name="line.10"></a>
<FONT color="green">011</FONT>    import javax.swing.event.ChangeEvent;<a name="line.11"></a>
<FONT color="green">012</FONT>    import javax.swing.event.ChangeListener;<a name="line.12"></a>
<FONT color="green">013</FONT>    <a name="line.13"></a>
<FONT color="green">014</FONT>    import prefuse.Display;<a name="line.14"></a>
<FONT color="green">015</FONT>    import prefuse.Visualization;<a name="line.15"></a>
<FONT color="green">016</FONT>    import prefuse.action.ActionList;<a name="line.16"></a>
<FONT color="green">017</FONT>    import prefuse.action.RepaintAction;<a name="line.17"></a>
<FONT color="green">018</FONT>    import prefuse.action.assignment.ColorAction;<a name="line.18"></a>
<FONT color="green">019</FONT>    import prefuse.action.filter.GraphDistanceFilter;<a name="line.19"></a>
<FONT color="green">020</FONT>    import prefuse.action.layout.graph.ForceDirectedLayout;<a name="line.20"></a>
<FONT color="green">021</FONT>    import prefuse.activity.Activity;<a name="line.21"></a>
<FONT color="green">022</FONT>    import prefuse.controls.DragControl;<a name="line.22"></a>
<FONT color="green">023</FONT>    import prefuse.controls.FocusControl;<a name="line.23"></a>
<FONT color="green">024</FONT>    import prefuse.controls.ToolTipControl;<a name="line.24"></a>
<FONT color="green">025</FONT>    import prefuse.controls.NeighborHighlightControl;<a name="line.25"></a>
<FONT color="green">026</FONT>    import prefuse.controls.PanControl;<a name="line.26"></a>
<FONT color="green">027</FONT>    import prefuse.controls.WheelZoomControl;<a name="line.27"></a>
<FONT color="green">028</FONT>    import prefuse.controls.ZoomControl;<a name="line.28"></a>
<FONT color="green">029</FONT>    import prefuse.controls.ZoomToFitControl;<a name="line.29"></a>
<FONT color="green">030</FONT>    import prefuse.data.Graph;<a name="line.30"></a>
<FONT color="green">031</FONT>    import prefuse.data.Tuple;<a name="line.31"></a>
<FONT color="green">032</FONT>    import prefuse.data.event.TupleSetListener;<a name="line.32"></a>
<FONT color="green">033</FONT>    import prefuse.data.io.GraphMLReader;<a name="line.33"></a>
<FONT color="green">034</FONT>    import prefuse.data.tuple.TupleSet;<a name="line.34"></a>
<FONT color="green">035</FONT>    import prefuse.render.DefaultRendererFactory;<a name="line.35"></a>
<FONT color="green">036</FONT>    import prefuse.render.LabelRenderer;<a name="line.36"></a>
<FONT color="green">037</FONT>    import prefuse.util.ColorLib;<a name="line.37"></a>
<FONT color="green">038</FONT>    import prefuse.util.GraphLib;<a name="line.38"></a>
<FONT color="green">039</FONT>    import prefuse.util.PrefuseLib;<a name="line.39"></a>
<FONT color="green">040</FONT>    import prefuse.util.force.ForceSimulator;<a name="line.40"></a>
<FONT color="green">041</FONT>    import prefuse.util.ui.JForcePanel;<a name="line.41"></a>
<FONT color="green">042</FONT>    import prefuse.util.ui.JPrefuseApplet;<a name="line.42"></a>
<FONT color="green">043</FONT>    import prefuse.util.ui.JValueSlider;<a name="line.43"></a>
<FONT color="green">044</FONT>    import prefuse.util.ui.UILib;<a name="line.44"></a>
<FONT color="green">045</FONT>    import prefuse.visual.NodeItem;<a name="line.45"></a>
<FONT color="green">046</FONT>    import prefuse.visual.VisualGraph;<a name="line.46"></a>
<FONT color="green">047</FONT>    import prefuse.visual.VisualItem;<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>    /**<a name="line.49"></a>
<FONT color="green">050</FONT>     * @author &lt;a href="http://jheer.org"&gt;jeffrey heer&lt;/a&gt;<a name="line.50"></a>
<FONT color="green">051</FONT>     */<a name="line.51"></a>
<FONT color="green">052</FONT>    public class GraphViewApplet extends JPrefuseApplet {<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>      /**<a name="line.54"></a>
<FONT color="green">055</FONT>       * <a name="line.55"></a>
<FONT color="green">056</FONT>       */<a name="line.56"></a>
<FONT color="green">057</FONT>      private static final long serialVersionUID = 1L;<a name="line.57"></a>
<FONT color="green">058</FONT>      private static final String graph = "graph";<a name="line.58"></a>
<FONT color="green">059</FONT>      private static final String nodes = "graph.nodes";<a name="line.59"></a>
<FONT color="green">060</FONT>      private static final String edges = "graph.edges";<a name="line.60"></a>
<FONT color="green">061</FONT>    <a name="line.61"></a>
<FONT color="green">062</FONT>      public void init() {<a name="line.62"></a>
<FONT color="green">063</FONT>        UILib.setPlatformLookAndFeel();<a name="line.63"></a>
<FONT color="green">064</FONT>        JComponent graphview = demo("/collabGraphView.xml", "name");<a name="line.64"></a>
<FONT color="green">065</FONT>        this.getContentPane().add(graphview);<a name="line.65"></a>
<FONT color="green">066</FONT>      }<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>      public static JComponent demo(String datafile, String label) {<a name="line.68"></a>
<FONT color="green">069</FONT>        Graph g = null;<a name="line.69"></a>
<FONT color="green">070</FONT>        if (datafile == null) {<a name="line.70"></a>
<FONT color="green">071</FONT>          g = GraphLib.getGrid(15, 15);<a name="line.71"></a>
<FONT color="green">072</FONT>        }<a name="line.72"></a>
<FONT color="green">073</FONT>        else {<a name="line.73"></a>
<FONT color="green">074</FONT>          try {<a name="line.74"></a>
<FONT color="green">075</FONT>            g = new GraphMLReader().readGraph(datafile);<a name="line.75"></a>
<FONT color="green">076</FONT>          }<a name="line.76"></a>
<FONT color="green">077</FONT>          catch (Exception e) {<a name="line.77"></a>
<FONT color="green">078</FONT>            e.printStackTrace();<a name="line.78"></a>
<FONT color="green">079</FONT>            System.exit(1);<a name="line.79"></a>
<FONT color="green">080</FONT>          }<a name="line.80"></a>
<FONT color="green">081</FONT>        }<a name="line.81"></a>
<FONT color="green">082</FONT>        return demo(g, label);<a name="line.82"></a>
<FONT color="green">083</FONT>      }<a name="line.83"></a>
<FONT color="green">084</FONT>    <a name="line.84"></a>
<FONT color="green">085</FONT>      public static JComponent demo(Graph g, String label) {<a name="line.85"></a>
<FONT color="green">086</FONT>    <a name="line.86"></a>
<FONT color="green">087</FONT>        // create a new, empty visualization for our data<a name="line.87"></a>
<FONT color="green">088</FONT>        final Visualization vis = new Visualization();<a name="line.88"></a>
<FONT color="green">089</FONT>        VisualGraph vg = vis.addGraph(graph, g);<a name="line.89"></a>
<FONT color="green">090</FONT>        vis.setValue(edges, null, VisualItem.INTERACTIVE, Boolean.FALSE);<a name="line.90"></a>
<FONT color="green">091</FONT>    <a name="line.91"></a>
<FONT color="green">092</FONT>        TupleSet focusGroup = vis.getGroup(Visualization.FOCUS_ITEMS);<a name="line.92"></a>
<FONT color="green">093</FONT>        focusGroup.addTupleSetListener(new TupleSetListener() {<a name="line.93"></a>
<FONT color="green">094</FONT>          public void tupleSetChanged(TupleSet ts, Tuple[] add, Tuple[] rem) {<a name="line.94"></a>
<FONT color="green">095</FONT>            for (int i = 0; i &lt; rem.length; ++i)<a name="line.95"></a>
<FONT color="green">096</FONT>              ((VisualItem) rem[i]).setFixed(false);<a name="line.96"></a>
<FONT color="green">097</FONT>            for (int i = 0; i &lt; add.length; ++i) {<a name="line.97"></a>
<FONT color="green">098</FONT>              ((VisualItem) add[i]).setFixed(false);<a name="line.98"></a>
<FONT color="green">099</FONT>              ((VisualItem) add[i]).setFixed(true);<a name="line.99"></a>
<FONT color="green">100</FONT>            }<a name="line.100"></a>
<FONT color="green">101</FONT>            vis.run("draw");<a name="line.101"></a>
<FONT color="green">102</FONT>          }<a name="line.102"></a>
<FONT color="green">103</FONT>        });<a name="line.103"></a>
<FONT color="green">104</FONT>    <a name="line.104"></a>
<FONT color="green">105</FONT>        // set up the renderers<a name="line.105"></a>
<FONT color="green">106</FONT>        LabelRenderer tr = new LabelRenderer(label);<a name="line.106"></a>
<FONT color="green">107</FONT>        tr.setRoundedCorner(8, 8);<a name="line.107"></a>
<FONT color="green">108</FONT>        vis.setRendererFactory(new DefaultRendererFactory(tr));<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>        // -- set up the actions ----------------------------------------------<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>        int maxhops = 4, hops = 4;<a name="line.112"></a>
<FONT color="green">113</FONT>        final GraphDistanceFilter filter = new GraphDistanceFilter(graph, hops);<a name="line.113"></a>
<FONT color="green">114</FONT>    <a name="line.114"></a>
<FONT color="green">115</FONT>        ActionList draw = new ActionList();<a name="line.115"></a>
<FONT color="green">116</FONT>        draw.add(filter);<a name="line.116"></a>
<FONT color="green">117</FONT>        draw.add(new ColorAction(nodes, VisualItem.FILLCOLOR, ColorLib.rgb(200, 200, 255)));<a name="line.117"></a>
<FONT color="green">118</FONT>        draw.add(new ColorAction(nodes, VisualItem.STROKECOLOR, 0));<a name="line.118"></a>
<FONT color="green">119</FONT>        draw.add(new ColorAction(nodes, VisualItem.TEXTCOLOR, ColorLib.rgb(0, 0, 0)));<a name="line.119"></a>
<FONT color="green">120</FONT>        draw.add(new ColorAction(edges, VisualItem.FILLCOLOR, ColorLib.gray(200)));<a name="line.120"></a>
<FONT color="green">121</FONT>        draw.add(new ColorAction(edges, VisualItem.STROKECOLOR, ColorLib.gray(200)));<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>        ColorAction fill = new ColorAction(nodes, VisualItem.FILLCOLOR, ColorLib.rgb(200, 200, 255));<a name="line.123"></a>
<FONT color="green">124</FONT>        fill.add("_fixed", ColorLib.rgb(255, 100, 100));<a name="line.124"></a>
<FONT color="green">125</FONT>        fill.add("_highlight", ColorLib.rgb(255, 200, 125));<a name="line.125"></a>
<FONT color="green">126</FONT>    <a name="line.126"></a>
<FONT color="green">127</FONT>        ForceDirectedLayout fdl = new ForceDirectedLayout(graph);<a name="line.127"></a>
<FONT color="green">128</FONT>        ForceSimulator fsim = fdl.getForceSimulator();<a name="line.128"></a>
<FONT color="green">129</FONT>        fsim.getForces()[0].setParameter(0, -1.2f);<a name="line.129"></a>
<FONT color="green">130</FONT>    <a name="line.130"></a>
<FONT color="green">131</FONT>        ActionList animate = new ActionList(Activity.INFINITY);<a name="line.131"></a>
<FONT color="green">132</FONT>        animate.add(fdl);<a name="line.132"></a>
<FONT color="green">133</FONT>        animate.add(fill);<a name="line.133"></a>
<FONT color="green">134</FONT>        animate.add(new RepaintAction());<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>        // finally, we register our ActionList with the Visualization.<a name="line.136"></a>
<FONT color="green">137</FONT>        // we can later execute our Actions by invoking a method on our<a name="line.137"></a>
<FONT color="green">138</FONT>        // Visualization, using the name we've chosen below.<a name="line.138"></a>
<FONT color="green">139</FONT>        vis.putAction("draw", draw);<a name="line.139"></a>
<FONT color="green">140</FONT>        vis.putAction("layout", animate);<a name="line.140"></a>
<FONT color="green">141</FONT>        vis.runAfter("draw", "layout");<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>        // --------------------------------------------------------------------<a name="line.143"></a>
<FONT color="green">144</FONT>        // STEP 4: set up a display to show the visualization<a name="line.144"></a>
<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>        Display display = new Display(vis);<a name="line.146"></a>
<FONT color="green">147</FONT>        display.setSize(500, 500);<a name="line.147"></a>
<FONT color="green">148</FONT>        display.setForeground(Color.GRAY);<a name="line.148"></a>
<FONT color="green">149</FONT>        display.setBackground(Color.WHITE);<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>        // main display controls<a name="line.151"></a>
<FONT color="green">152</FONT>        display.addControlListener(new ToolTipControl("contact"));<a name="line.152"></a>
<FONT color="green">153</FONT>        display.addControlListener(new FocusControl(1));<a name="line.153"></a>
<FONT color="green">154</FONT>        display.addControlListener(new DragControl());<a name="line.154"></a>
<FONT color="green">155</FONT>        display.addControlListener(new PanControl());<a name="line.155"></a>
<FONT color="green">156</FONT>        display.addControlListener(new ZoomControl());<a name="line.156"></a>
<FONT color="green">157</FONT>        display.addControlListener(new WheelZoomControl());<a name="line.157"></a>
<FONT color="green">158</FONT>        display.addControlListener(new ZoomToFitControl());<a name="line.158"></a>
<FONT color="green">159</FONT>        display.addControlListener(new NeighborHighlightControl());<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>        display.setForeground(Color.GRAY);<a name="line.161"></a>
<FONT color="green">162</FONT>        display.setBackground(Color.WHITE);<a name="line.162"></a>
<FONT color="green">163</FONT>    <a name="line.163"></a>
<FONT color="green">164</FONT>        // --------------------------------------------------------------------<a name="line.164"></a>
<FONT color="green">165</FONT>        // STEP 5: launching the visualization<a name="line.165"></a>
<FONT color="green">166</FONT>    <a name="line.166"></a>
<FONT color="green">167</FONT>        // create a panel for editing force values<a name="line.167"></a>
<FONT color="green">168</FONT>        final JForcePanel fpanel = new JForcePanel(fsim);<a name="line.168"></a>
<FONT color="green">169</FONT>    <a name="line.169"></a>
<FONT color="green">170</FONT>        final JValueSlider slider = new JValueSlider("Distance", 0, maxhops, hops);<a name="line.170"></a>
<FONT color="green">171</FONT>        slider.addChangeListener(new ChangeListener() {<a name="line.171"></a>
<FONT color="green">172</FONT>          public void stateChanged(ChangeEvent e) {<a name="line.172"></a>
<FONT color="green">173</FONT>            filter.setDistance(slider.getValue().intValue());<a name="line.173"></a>
<FONT color="green">174</FONT>            vis.run("draw");<a name="line.174"></a>
<FONT color="green">175</FONT>          }<a name="line.175"></a>
<FONT color="green">176</FONT>        });<a name="line.176"></a>
<FONT color="green">177</FONT>        slider.setBackground(Color.WHITE);<a name="line.177"></a>
<FONT color="green">178</FONT>        slider.setPreferredSize(new Dimension(300, 30));<a name="line.178"></a>
<FONT color="green">179</FONT>        slider.setMaximumSize(new Dimension(300, 30));<a name="line.179"></a>
<FONT color="green">180</FONT>    <a name="line.180"></a>
<FONT color="green">181</FONT>        Box cf = new Box(BoxLayout.Y_AXIS);<a name="line.181"></a>
<FONT color="green">182</FONT>        cf.add(slider);<a name="line.182"></a>
<FONT color="green">183</FONT>        cf.setBorder(BorderFactory.createTitledBorder("Connectivity Filter"));<a name="line.183"></a>
<FONT color="green">184</FONT>        fpanel.add(cf);<a name="line.184"></a>
<FONT color="green">185</FONT>    <a name="line.185"></a>
<FONT color="green">186</FONT>        fpanel.add(Box.createVerticalGlue());<a name="line.186"></a>
<FONT color="green">187</FONT>    <a name="line.187"></a>
<FONT color="green">188</FONT>        // create a new JSplitPane to present the interface<a name="line.188"></a>
<FONT color="green">189</FONT>        JSplitPane split = new JSplitPane();<a name="line.189"></a>
<FONT color="green">190</FONT>        split.setLeftComponent(display);<a name="line.190"></a>
<FONT color="green">191</FONT>        split.setRightComponent(fpanel);<a name="line.191"></a>
<FONT color="green">192</FONT>        split.setOneTouchExpandable(true);<a name="line.192"></a>
<FONT color="green">193</FONT>        split.setContinuousLayout(false);<a name="line.193"></a>
<FONT color="green">194</FONT>        split.setDividerLocation(530);<a name="line.194"></a>
<FONT color="green">195</FONT>        split.setDividerLocation(800);<a name="line.195"></a>
<FONT color="green">196</FONT>    <a name="line.196"></a>
<FONT color="green">197</FONT>        // position and fix the default focus node<a name="line.197"></a>
<FONT color="green">198</FONT>        NodeItem focus = (NodeItem) vg.getNode(0);<a name="line.198"></a>
<FONT color="green">199</FONT>        PrefuseLib.setX(focus, null, 400);<a name="line.199"></a>
<FONT color="green">200</FONT>        PrefuseLib.setY(focus, null, 250);<a name="line.200"></a>
<FONT color="green">201</FONT>        focusGroup.setTuple(focus);<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>        // now we run our action list and return<a name="line.203"></a>
<FONT color="green">204</FONT>        return split;<a name="line.204"></a>
<FONT color="green">205</FONT>      }<a name="line.205"></a>
<FONT color="green">206</FONT>    <a name="line.206"></a>
<FONT color="green">207</FONT>    }<a name="line.207"></a>




























































</PRE>
</BODY>
</HTML>
